chat communicate convey declare deliver express go say shout tell utter voice whisper allege articulate assert aver blab chew converse descant discourse drawl enunciate expatiate gab gas jaw modulate mouth mumble murmur mutter perorate pronounce rap sound spiel spill state verbalize vocalize yak yammer break silence lip make known make public open one's mouth pop off put into words speak one's piece yakkety-yak